Senior Mobile Engineer (Flutter)
North London (Hybrid- 4 days onsite)
£100,000-£135,000 + Generous Equity + Strong Package
Series A | High-Growth Tech
We're partnered with one of Europe's fastest-scaling technology start-ups, fresh off a major Series A raise and building at extraordinary pace.
This is not a typical mobile feature delivery role. This is an opportunity to help redefine how goods move in the digital economy- working at the intersection of mobile engineering, machine learning, and real-world operational systems.
The Team
Close to 100 people globally and will be looking to almost double the team in 2026
More than half in Engineering, Product and Data
Culture built around experimentation, high standards and rapid feedback loops
You'll work closely with senior engineering leadership who have previously scaled large distributed systems and ML-driven platforms at global technology companies.
Tech Environment
Cross-platform Flutter applications
Will consider anyone from a native iOS/Android background who is happy to work in Flutter
Backend systems built in Python, Rust and TypeScript
Cloud-native architecture on GCP (BigQuery, Cloud Run)
Extensive use of ML modelling and LLM inference
Robotics and IoT integrations across operational workflows
What You'll Do
Take ownership of mobile engineering end-to-end using Flutter
Work across the broader stack, from mobile through to data infrastructure
Solve complex real-world problems (for example, computer vision for proof-of-delivery validation)
Spend time in the field to understand how your technology impacts couriers and customers
Ship quickly, iterate frequently, and continuously improve performance and user experience
This is a high-autonomy, high-impact role suited to engineers who thrive in fast-moving, intellectually rigorous environments.
Who This Role Suits
You are likely to succeed here if you:
Enjoy working in a fast paced environment (Startup/scaleup vibes)
Define problems clearly and measure impact rigorously
Enjoy tackling complex technical challenges
Move quickly and embrace iteration
Take ownership from start to finish
Value high standards and candid feedback
Want to build technology that operates in the real world, not just on a screen
Package
£100k-£135k base salary (depending on experience)
Very competitive equity package with annual top ups
Bupa private medical
Gym Membership
25 days of holiday
Enhanced Parental Leave
Fully paid for team socials
Hybrid working (4 days onsite in North London)
Opportunity to join at a critical scale-up inflection point
Hiring Process (Typically Completed Within 1-2 weeks
30-minute Talent Screening
1-hour tech interview
2-hour design interview
1-hour team & culture fit interview
If you are a Senior Mobile Engineer looking to build apps that reshape an industry, this is a rare opportunity.
TPBN1_UKTJ
- Location:
- United Kingdom
- Job Type:
-
FullTime
- Category:
-
IT